<!doctype html>
<html ng-app="myApp">
<head>
	<meta charset="utf-8">
  <script src="js/angular.js"></script>
</head>
<body ng-controller="area">
    <form name="frm">
		<select id="s1"><option>省份</option></select>
		<select id="s2"><option>地级市</option></select>
		<select id="s3"><option>市、县级市、县</option></select>
	</form>       
</body>
</html>
